I' have done some tests with Caché and Apache Zeppelin. I want to share my experince to use both systems together. I'll try to describe all steps that are required to config Zeppelin to connect to Caché.
What is Apache Zeppelin?
For all who think: What the heck is Apache Zeppelin?, here some details what the project site (http://zeppelin.apache.org) says:
"A web-based notebook that enables interactive data analytics.You can make beautiful data-driven, interactive and collaborative documents with SQL, Scala and more.
PHP, from the beginning of its time, is renowned (and criticized) for supporting integration with a lot of libraries, as well as with almost all the DB existing on the market. However, for some mysterious reasons, it did not support hierarchical databases on the globals.
In the previous parts (.png)

